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Analog Devices Inc. AD8074ARUZ-REEL7
- Part No.:
- AD8074ARUZ-REEL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Video Amps and Modules
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
AD8074ARUZ-REEL7.pdf
- Description:
- IC AMP BUFFER 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,037
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Product details
Overview
AD8074ARUZ-REEL7 from Analog Devices is a high-speed triple video buffer with unity gain (G = +1), designed for RGB signal conditioning in display systems. It delivers 500 MHz large-signal bandwidth (2 Vp-p), 1600 V/µs slew rate, 4 ns settling time, and <0.01% differential gain error - enabling precise analog video transmission in LCD and plasma displays.
For engineers reviewing the AD8074ARUZ-REEL7 datasheet, AD8074ARUZ-REEL7 pinout, AD8074ARUZ-REEL7 application, or AD8074ARUZ-REEL7 equivalent, this device is selected for high-fidelity, low-crosstalk, fast-switching video routing where gain stability, phase accuracy, and output disable functionality are critical.
Technical Context
The AD8074ARUZ-REEL7 implements three independent voltage-feedback amplifier channels, each with NPN transconductance input stages and emitter-follower output buffers optimized for 150 Ω reverse-terminated video loads. Its internal compensation ensures >60° phase margin, minimizing overshoot in pixel-accurate video waveforms.
It features TTL-compatible OE control that places all three outputs into high-impedance state with <5.5 mA quiescent current, enabling matrix-based video multiplexing. The architecture isolates feedback paths during disable to maintain >3.5 MΩ off-state output impedance - critical for multi-buffer bus architectures.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| –3 dB Bandwidth (Large Signal) | 500 MHz at 2 Vp-p, RL = 150 Ω - supports full HD (1080p) RGB signals without attenuation |
| Slew Rate | 1600 V/µs at G = +1 - enables clean 2 V step response with <4 ns settling to 0.1% |
| Differential Gain Error | 0.01% at 3.58 MHz - preserves color fidelity in NTSC/PAL composite and RGB applications |
| All Hostile Crosstalk | –80 dB at 10 MHz - prevents interference between R/G/B channels in shared PCB routing |
| Output Disable Isolation | 90 dB at 10 MHz - ensures inactive channels do not load active signal paths in multiplexer configurations |
| Supply Current (All ON) | 21.5–30 mA at ±5 V - enables triple-channel buffering with sub-150 mW per channel power dissipation |
| Input Voltage Range | ±2.8 V - accommodates standard video swing levels while maintaining linearity |
Pinout & Package
AD8074ARUZ-REEL7 is housed in a 16-lead TSSOP (RU-16) package with 0.65 mm pitch, 4.4 mm width, and exposed thermal pad (θJA = 150.4°C/W). Pin 1 is marked by a dot; pins are numbered counterclockwise.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OE) | Digital Enable Input | TTL-compatible control: logic low enables outputs; logic high disables all three outputs to high-Z |
| 2 (DGND) | Digital Ground Reference | Reference for OE logic; isolated from analog ground to prevent digital noise coupling |
| 3 (IN2) | Channel 2 Analog Input | High-impedance (10 MΩ), low-capacitance (1.5 pF) input for third video signal (e.g., Blue) |
| 4 (AGND) | Analog Ground Reference | Common return for analog inputs/outputs; must be star-connected to minimize crosstalk |
| 5 (IN1) | Channel 1 Analog Input | Independent input for second video signal (e.g., Green); identical specs to IN0/IN2 |
| 6 (AGND) | Analog Ground Reference | Second AGND pin for improved grounding of internal analog circuitry |
| 7 (IN0) | Channel 0 Analog Input | Primary input for first video signal (e.g., Red); fully buffered with 600 MHz small-signal BW |
| 8 (VEE) | Negative Supply Rail | Accepts –4.5 V to –5.5 V; output swing extends to within 2.3 V of VEE under 150 Ω load |
| 9 (VCC) | Positive Supply Rail | Accepts +4.5 V to +5.5 V; output swing extends to within 2.35 V of VCC under 150 Ω load |
| 10 (VCC) | Positive Supply Rail | Dual VCC pins reduce supply inductance and improve PSRR (>74 dB at DC) |
| 11 (OUT2) | Channel 2 Analog Output | Low-output-impedance (<0.5 Ω enabled) voltage source; supports 75 Ω series termination |
| 12 (VEE) | Negative Supply Rail | Second VEE pin for enhanced power integrity and thermal distribution |
| 13 (OUT1) | Channel 1 Analog Output | Matched performance to OUT0/OUT2; maintains <0.01° differential phase error up to 50 MHz |
| 14 (VCC) | Positive Supply Rail | Third VCC connection for optimal decoupling across high-frequency operation |
| 15 (OUT0) | Channel 0 Analog Output | Main output for first video channel; gain flatness of ±0.1 dB to 50 MHz ensures color consistency |
| 16 (VEE) | Negative Supply Rail | Fourth VEE pin supporting low-noise, high-current return path for all three output stages |
Key Features
| Feature | Design Value |
|---|---|
| Triple independent G = +1 amplifiers | Enables simultaneous buffering of R/G/B without inter-channel gain mismatch or phase skew |
| High-speed output disable (OE) | Switches all outputs to >3.5 MΩ high-Z state in <100 ns, enabling scalable video multiplexing |
| –80 dB all-hostile crosstalk @ 10 MHz | Prevents luminance/chrominance bleed between RGB lines on shared PCB traces or cables |
| 0.1 dB gain flatness to 50 MHz | Preserves relative amplitude of baseband video components (sync tip to pixel clock harmonics) |
| 19.5 nV/√Hz input voltage noise | Minimizes SNR degradation in low-level analog video paths, especially with long coax runs |
| ±5 V dual-supply operation | Supports legacy video signal levels while delivering rail-to-rail compatible swing (±2.3 V into 150 Ω) |
Applications
| RGB Buffer in LCD Displays | Video Router with Channel Selection |
|---|---|
Use Scenario: Driving RGB signals from graphics controller to LCD panel over 75 Ω coax or controlled-impedance PCB traces. IC Role / Device Role / Timing Role: Unity-gain buffer isolating source from capacitive load, preserving rise/fall times and minimizing reflections. Use Value: Maintains <0.01% differential gain and <0.01° phase error across 0–50 MHz, ensuring accurate color reproduction without hue shift. |
Use Scenario: Selecting between two RGB sources (e.g., PC and media player) feeding a single monitor or projector. IC Role / Device Role / Timing Role: Triple-channel mux building block using OE-controlled high-Z outputs to prevent bus contention. Use Value: 90 dB OFF isolation at 10 MHz prevents leakage from disabled source, eliminating ghosting or cross-talk in switched video paths. |
| Plasma Display Driver Interface | NTSC/PAL Composite Video Amplifier |
Use Scenario: Conditioning RGB signals prior to gamma correction and panel driver ICs in high-resolution plasma displays. IC Role / Device Role / Timing Role: High-bandwidth, low-distortion buffer matching source impedance and driving panel interface capacitance. Use Value: 500 MHz large-signal bandwidth ensures minimal group delay variation across pixel clock harmonics up to 135 MHz. |
Use Scenario: Amplifying and distributing composite video (CVBS) signals in broadcast monitoring or test equipment. IC Role / Device Role / Timing Role: Baseband video amplifier with optimized frequency response and minimal differential phase distortion. Use Value: 0.01° differential phase error at 3.58 MHz preserves chroma burst timing, preventing color saturation loss in NTSC/PAL decoding. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar triple video buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8075ARUZ-REEL7 | G = +2 fixed gain; higher 1350 V/µs slew rate but lower large-signal bandwidth (350 MHz into 150 Ω) | Used when signal level boosting is required before 75 Ω cable drive; unsuitable for unity-gain direct buffering | Select AD8075ARUZ-REEL7 only if system requires gain-of-two amplification and can accept reduced large-signal BW. |
| THS3203DGN | Single-channel, 900 MHz BW, 3000 V/µs slew; no integrated OE; higher supply current (40 mA/channel) | Requires three discrete devices and external logic for enable/disable; better for ultra-high-BW point solutions | Choose THS3203DGN when >500 MHz bandwidth is mandatory and board space allows discrete implementation. |
Compared with AD8075ARUZ-REEL7, AD8074ARUZ-REEL7 provides superior large-signal fidelity and unity-gain stability for direct RGB buffering, while THS3203DGN offers higher bandwidth at the cost of integration and power efficiency.
Availability
AD8074ARUZ-REEL7 is available at Aetrix Electronics and suitable for RGB video buffering, display interface design, and broadcast signal distribution requiring stable component supply, RoHS-compliant packaging, and guaranteed long-term availability.
Supply support for AD8074ARUZ-REEL7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving precision instrumentation, communications, and industrial markets since 1965.
The AD8074ARUZ-REEL7 belongs to Analog Devices' high-speed video amplifier product line, engineered specifically for low-distortion, high-fidelity analog video signal conditioning in professional and consumer display systems.
FAQ
What is the operating temperature range for AD8074ARUZ-REEL7?
The AD8074ARUZ-REEL7 is specified for operation from –40°C to +85°C in still air. Its thermal resistance (θJA) is 150.4°C/W, and derating curves in the datasheet define safe power dissipation limits across this range. This makes AD8074ARUZ-REEL7 suitable for industrial display enclosures and automotive infotainment head units where ambient temperatures vary widely.
Does AD8074ARUZ-REEL7 support single-supply operation?
Yes, AD8074ARUZ-REEL7 can operate from a single 10 V supply. In this configuration, AGND pins must be tied near mid-supply (5 V) to serve as the reference for internal gain networks, while DGND remains at system ground. OE logic thresholds remain TTL-compatible, and output swing is limited to within ~2.3 V of each rail - so a 10 V supply yields ~5.4 V p-p usable swing into 150 Ω.
How does the output disable feature work on AD8074ARUZ-REEL7?
The OE pin on AD8074ARUZ-REEL7 is an active-low TTL-compatible input: logic low (≤0.8 V) enables all three outputs, while logic high (≥2.0 V) places OUT0, OUT1, and OUT2 into high-impedance state (>3.5 MΩ). Quiescent current drops from 30 mA to <5.5 mA, making AD8074ARUZ-REEL7 ideal for power-sensitive video matrix switches and dynamically reconfigurable display systems.
What is the recommended power supply decoupling for AD8074ARUZ-REEL7?
Analog Devices recommends placing a 0.1 µF ceramic capacitor (low-inductance, X7R) directly between each VCC and VEE pair, with minimal trace length, plus a 25 µF tantalum capacitor per supply rail. The 16-lead TSSOP has four dedicated supply pins (three VCC, one VEE) - each requires local 0.1 µF bypassing. This ensures stable PSRR (>74 dB) and suppresses high-frequency switching noise that could degrade AD8074ARUZ-REEL7's 500 MHz video performance.
Can AD8074ARUZ-REEL7 drive 75 Ω coaxial cables directly?
Yes, AD8074ARUZ-REEL7 is optimized for 75 Ω reverse-terminated video loads. Its low output impedance (<0.5 Ω enabled) and 500 MHz bandwidth allow it to drive 75 Ω coax with series termination (e.g., 75 Ω resistor at output) while maintaining <0.01% differential gain error. For best results, use controlled-impedance PCB routing and avoid stubs longer than 1 cm to preserve signal integrity up to 100 MHz.
AD8074ARUZ-REEL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Buffer
- Output Type:
- -
- Number of Circuits:
- 3
- -3db Bandwidth:
- 600 MHz
- Slew Rate:
- 1600V/µs
- Current - Supply:
- 21.5 mA
- Current - Output / Channel:
- 70 mA
- Voltage - Supply, Single/Dual (±):
- 9V ~ 11V, ±4.5V ~ 5.5V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 16-TSSOP
AD8074ARUZ-REEL7 FAQ
1.How can I place an order for AD8074ARUZ-REEL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8074ARUZ-REEL7 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AD8074ARUZ-REEL7 reliable?
The price and inventory of AD8074ARUZ-REEL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8074ARUZ-REEL7 is usually 5 days.
3.What payment methods are accepted for AD8074ARUZ-REEL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8074ARUZ-REEL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8074ARUZ-REEL7?
AD8074ARUZ-REEL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8074ARUZ-REEL7 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AD8074ARUZ-REEL7?
For technical support, including AD8074ARUZ-REEL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8074ARUZ-REEL7 requirements.
6.How does Aetrix verify that AD8074ARUZ-REEL7 is sourced from the original manufacturer or authorized distributors?
All AD8074ARUZ-REEL7 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AD8074ARUZ-REEL7 meets industry standards.
7.What is the process for return or replacement of AD8074ARUZ-REEL7?
All AD8074ARUZ-REEL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD8074ARUZ-REEL7, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AD8074ARUZ-REEL7 part is unused and in its original packaging.
Return procedure for AD8074ARUZ-REEL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
AD8074ARUZ-REEL7 Tags
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